iwlwifi: mvm: synchronize TID queue removal
When we mark a TID as no longer having a queue, there's no guarantee the TX path isn't using this txq_id right now, having accessed it just before we reset the value. To fix this, add synchronize_net() when we change the TIDs from having a queue to not having one, so that we can then be sure that the TX path is no longer accessing that queue. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>
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